The Battle of Do Ab took place in Nuristan province, Afghanistan on 25 May 2011. In the battle, a scout platoon from the 1st Battalion, 133rd Infantry Regiment, United States Army, 20 Afghan soldiers, and two United States Air Force forward air controllers (FAC),and one Law Enforcement Professional (LEP) were ambushed by over 300 Taliban near the village of Do Ab. With assistance from close air support, the coalition forces repulsed the ambush, killing approximately 270 Taliban. The coalition forces suffered no casualties.